/**
 * Copyright 2008 Mathias Doenitz, http://lis.to/
 *
 * This file is part of the lis.to java desktop client. The lis.to java desktop client is free software: you can
 * redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * The lis.to java desktop client is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with the lis.to java desktop client.
 * If not, see http://www.gnu.org/licenses/
 */

package listo.client.taskfilters;

import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

public abstract class BaseFilter implements TaskFilter {

    private final List<Listener> listeners = new CopyOnWriteArrayList<Listener>();

    public void addFilterListener(Listener listener) {
        listeners.add(listener);
    }
 
    protected void notifyListeners(Object updateObject) {
        for (Listener listener : listeners) {
            listener.tasksChanged(updateObject);
        }
    }

}